101222121021121 has 16 divisors (see below), whose sum is σ = 105912890141184. Its totient is φ = 96555512522304.

The previous prime is 101222121021083. The next prime is 101222121021139. The reversal of 101222121021121 is 121120121222101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101222121021121 - 2¹¹ = 101222121019073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101222121028121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704557531 + ... + 704701183.

It is an arithmetic number, because the mean of its divisors is an integer number (6619555633824).

Almost surely, 2^{101222121021121} is an apocalyptic number.

It is an amenable number.

101222121021121 is a deficient number, since it is larger than the sum of its proper divisors (4690769120063).

101222121021121 is a wasteful number, since it uses less digits than its factorization.

101222121021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227520.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101222121021121 its reverse (121120121222101), we get a palindrome (222342242243222).

The spelling of 101222121021121 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-one".